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cmake: support loading of host-tool through COMPONENTS #555

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cmake: support loading of host-tool through COMPONENTS #555

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37 changes: 37 additions & 0 deletions cmake/FindZephyr-sdk_HostTools.cmake
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Original file line number Diff line number Diff line change
@@ -0,0 +1,37 @@
# SPDX-License-Identifier: Apache-2.0
#
# Copyright (c) 2022, Nordic Semiconductor ASA

# FindZephyr-sdk_HostTools module for locating HostTools components in Zephyr SDK.
#
# The module defines the following variables:
#
# 'HOST_TOOLS_HOME'
# Path to host tools home if installed.
# Set to 'HOST_TOOLS_HOME-NOTFOUND' if not installed.
#
# 'Zephyr-sdk_HostTools_FOUND', 'ZEPHYR-SDK_HOSTTOOLS_FOUND'
# True if the host tools are found.

cmake_host_system_information(RESULT TOOLCHAIN_ARCH QUERY OS_PLATFORM)
set(HOST_TOOLS_HOME ${ZEPHYR_SDK_INSTALL_DIR}/sysroots/${TOOLCHAIN_ARCH}-pokysdk-linux)
if(NOT EXISTS ${HOST_TOOLS_HOME})
set(HOST_TOOLS_HOME_MISSING ${HOST_TOOLS_HOME})
set(HOST_TOOLS_HOME HOST_TOOLS_HOME-NOTFOUND)
endif()

find_package_handle_standard_args(Zephyr-sdk_HostTools
REQUIRED_VARS HOST_TOOLS_HOME ${HOST_TOOLS_HOME_MISSING}
VERSION_VAR Zephyr-sdk_VERSION
)

if(Zephyr-sdk_HostTools_FOUND)
# Path used for searching by the find_*() functions, with appropriate
# suffixes added. Ensures that the SDK's host tools will be found when
# we call, e.g. find_program(QEMU qemu-system-x86)
list(APPEND CMAKE_PREFIX_PATH ${HOST_TOOLS_HOME}/usr)

# TODO: Use find_* somehow for these as well?
set_ifndef(QEMU_BIOS ${HOST_TOOLS_HOME}/usr/share/qemu)
set_ifndef(OPENOCD_DEFAULT_PATH ${HOST_TOOLS_HOME}/usr/share/openocd/scripts)
endif()
8 changes: 8 additions & 0 deletions cmake/Zephyr-sdkConfig.cmake
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Expand Up @@ -13,6 +13,14 @@ get_filename_component(ZEPHYR_SDK_INSTALL_DIR ${CMAKE_CURRENT_LIST_DIR}/.. ABSOL
set(ZEPHYR_SDK_INSTALL_DIR ${ZEPHYR_SDK_INSTALL_DIR})
set(ZEPHYR_TOOLCHAIN_VARIANT zephyr)

# Load additional components. Only components inside Zephyr SDK are allowed.
set(CURRENT_CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH})
set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_LIST_DIR})
foreach(component ${Zephyr-sdk_FIND_COMPONENTS})
find_package(Zephyr-sdk_${component})
endforeach()
set(CMAKE_MODULE_PATH ${CURRENT_CMAKE_MODULE_PATH})

# Those are CMake package parameters.
set(Zephyr-sdk_FOUND True)
set(Zephyr-sdk_DIR ${ZEPHYR_SDK_INSTALL_DIR})
2 changes: 2 additions & 0 deletions cmake/zephyr/host-tools.cmake
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@@ -1,5 +1,7 @@
# SPDX-License-Identifier: Apache-2.0

# This file is kept for backward compatibility with Zephyr <v3.2.0

cmake_host_system_information(RESULT TOOLCHAIN_ARCH QUERY OS_PLATFORM)
set(HOST_TOOLS_HOME ${ZEPHYR_SDK_INSTALL_DIR}/sysroots/${TOOLCHAIN_ARCH}-pokysdk-linux)

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